Gil Genuth, Jan Danek, Georg Klammer, Peter Stavrou, Lukas D Iselin
{"title":"Contemporary surgical decision-making for hallux valgus and hallux rigidus in Switzerland: A national cross-sectional survey using standardized clinical scenarios.","authors":"Gil Genuth, Jan Danek, Georg Klammer, Peter Stavrou, Lukas D Iselin","doi":"10.1016/j.fas.2026.03.011","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.011","url":null,"abstract":"<p><strong>Background: </strong>Surgical management of hallux valgus and hallux rigidus is influenced by deformity severity, surgeon training, and evolving techniques. Previous surveys in Australia (2012), Switzerland (2015), and Israel (2023) using identical hypothetical cases demonstrated marked regional differences and a recent rise in minimally invasive Chevron-Akin (MICA). Whether these advances have altered contemporary Swiss practice remains unclear.</p><p><strong>Methods: </strong>An electronic survey replicating the original questionnaire was distributed to members of the Swiss Foot and Ankle Society. Three standardized clinical cases were presented: mild hallux valgus, severe hallux valgus, and hallux valgus et rigidus. Respondents selected nonoperative versus operative management and specified procedures and fixation methods. Demographics, subspecialty training, and surgical volume were recorded. Current results were compared with prior Swiss data to assess temporal change.</p><p><strong>Results: </strong>Eighty surgeons completed the survey (94% foot and ankle specialists). For mild hallux valgus, 87.7% recommended surgery; Scarf osteotomy remained most common (49.4%), followed by Chevron (21.0%) and Minimally Invasive Hallux Valgus correction (14.8%). Minimally Invasive adopters were predominantly mid-career (83% aged 41-50), high-volume surgeons. For severe hallux valgus, 95.1% favoured surgery; MTPJ arthrodesis was preferred (50.6% isolated; 11.1% with Lapidus), while Minimally Invasive Hallux Valgus correction was rarely chosen (2.5%). In hallux valgus et rigidus, 96% selected MTPJ fusion, most commonly plate-and-screw fixation (45.1%). Compared with 2015, fixation strategies evolved, yet procedure selection remained largely unchanged.</p><p><strong>Conclusion: </strong>Despite global expansion of minimally invasive bunion surgery, Swiss surgeons continue to favour established open techniques, particularly Scarf osteotomy and fusion-based strategies. Adoption of MIS remains limited and concentrated among high-volume, mid-career specialists, indicating a cautious national diffusion pattern.</p><p><strong>Level of evidence: </strong>IV, survey study.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147693113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Karolien Schwagten, Frederick Michels, Corey Scholes, Andrew Wines
{"title":"Total ankle replacement versus nonoperative management for end-stage ankle osteoarthritis: A comparative analysis.","authors":"Karolien Schwagten, Frederick Michels, Corey Scholes, Andrew Wines","doi":"10.1016/j.fas.2026.03.010","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.010","url":null,"abstract":"<p><strong>Background: </strong>The optimal management of end-stage ankle osteoarthritis remains debated. This study compared short-term outcomes between non-operative treatment, total ankle replacement (TAR), and cases in which indicated surgery was delayed.</p><p><strong>Methods: </strong>In this secondary analysis of prospectively collected data, treatment survival, Foot and Ankle Outcome Score (FAOS), and patient satisfaction were assessed at baseline and at 1- and 2-year follow-up.</p><p><strong>Results: </strong>In a total of 316 patients one-year treatment survival was highest for TAR (99.3%), followed by NOM (94.4%) and delayed surgery (80.9%). TAR demonstrated significantly superior FAOS pain and quality-of-life scores compared with NOM and delayed surgery. Delayed surgery was associated with significantly worse pain and quality-of-life outcomes. Patient satisfaction was highest in the TAR group and lowest in the delayed surgery group.</p><p><strong>Conclusions: </strong>TAR provides superior pain relief, quality of life, and satisfaction compared with non-operative management in end-stage ankle OA. While NOM remains a valid option for selected patients, delaying indicated surgery results in inferior outcomes, underscoring the importance of timely, shared decision-making.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147718643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The incidence and descriptive factors of calcaneal malunion after surgical fixation of intra-articular calcaneal fractures using the sinus tarsi approach: A retrospective cohort study with binary logistic regression analysis.","authors":"Theerawoot Tharmviboonsri, Thos Harnroongroj, Chayapat Wannawongtikul, Bavornrit Chuckpaiwong, Penpun Lertwattanachai, Ishthayapong Kanjanakeereewong","doi":"10.1016/j.fas.2026.03.009","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.009","url":null,"abstract":"<p><strong>Background: </strong>This study evaluated the incidence of calcaneal malunion after minimally invasive sinus tarsi approach (MIS-STA) in displaced intra-articular calcaneal fractures (I-ACFs) and identified related descriptive factors of calcaneal malunion.</p><p><strong>Methods: </strong>A retrospective review of 99 displaced I-ACFs treated with MIS-STA was conducted. Demographic data, pre-operative radiographs, and operative details were analyzed. Outcomes included numerical rating scale (NRS) pain scores at rest and during activities of daily living (ADL), Foot and Ankle Ability Measure (FAAM) for ADL and radiographic parameters. Logistic regression was used to identify descriptive factors associated with malunion.</p><p><strong>Results: </strong>Malunion occurred in 33/99 cases (33.3%). The significant descriptive factors were the initial Böhler angle < 0.5 °, time to surgery > 12.5 days, and Sanders type ≥ III. Malunion patients had significantly worse NRS and FAAM scores (p ≤ 0.001).</p><p><strong>Conclusion: </strong>Calcaneal malunion after MIS-STA occurred in one-third of cases, with three descriptive factors identified and poorer outcomes observed.</p><p><strong>Level of evidence: </strong>III, Comparative retrospective study with binary logistic regression analysis.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147610167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
David Kwan Ryung Lee, Dave Osinachukwu Duru, Johannes Coetzee, Ahid Abood, Chandra Pasapula
{"title":"Orthoplastic management of open calcaneal fractures: A systematic review of flap selection and complications.","authors":"David Kwan Ryung Lee, Dave Osinachukwu Duru, Johannes Coetzee, Ahid Abood, Chandra Pasapula","doi":"10.1016/j.fas.2026.03.008","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.008","url":null,"abstract":"<p><strong>Background: </strong>Open calcaneal fractures are rare, high-energy injuries involving extensive soft-tissue loss and comminuted bone disruption. Successful management depends on coordinated orthoplastic reconstruction to achieve stable fixation and durable coverage. Multiple flap types have been described, yet comparative outcomes remain poorly defined.</p><p><strong>Methods: </strong>A systematic review was performed in accordance with PRISMA guidelines (PROSPERO: CRD420251138394). MEDLINE, Embase, Cochrane CENTRAL, and Scopus were searched from January 2000 to July 2025. Studies reporting flap-based reconstruction for open calcaneal fractures in adults were included. Extracted data included flap type, fixation method, follow-up duration, and complications such as infection, necrosis, vascular crises, flap loss, and amputation.</p><p><strong>Results: </strong>Thirteen studies comprising 88 major flap reconstructions were analysed. Overall flap survival was 97.7%, with two failures (both muscle/myocutaneous). Fasciocutaneous flaps showed the lowest complication rates (8.3%) with no reported cases of infection, while muscle/myocutaneous flaps demonstrated cases of infection (20%) and accounted for both flap failures and the only reported amputation. Chimeric flaps were increasingly used in recent series (n = 32), achieving reliable survival but higher vascular compromise (6.3%). Osteocutaneous flaps were rare (n = 4) and primarily used for defects with bone loss, showing infection in 50% of cases. Meta-analysis was not possible due to heterogeneity and small sample sizes.</p><p><strong>Conclusions: </strong>Fasciocutaneous flaps provide reliable, low-complication coverage for clean wounds, while muscle flaps remain valuable for contamination or complex cases with extensive tissue loss. Chimeric, and osteocutaneous flaps show promise, but larger, standardised studies are needed to clarify their roles in hindfoot reconstruction.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147533495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Biomechanics of porous lattice-structured tibial implant design for TAR: Role of pore morphology, porosity and implant design.","authors":"Minku, Govind Upadhyay, Tanushi Jain, Rajesh Ghosh","doi":"10.1016/j.fas.2026.03.007","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.007","url":null,"abstract":"<p><strong>Background: </strong>Implant-bone micromotion and stress shielding play a crucial role in the long-term survival of tibial implant for Total Ankle Replacement (TAR). Both these biomechanical considerations are majorly relying on the design of implant and fixation features. The biomechanics of different porous structure features and porosity on biomechanical performance of tibial implant design remain unexplored. The objective is to investigate the role of pore morphology, porosity, and tibial design on the biomechanics of porous lattice-structured tibial implant design for TAR.</p><p><strong>Methods: </strong>This is achieved by simulating the biomechanical performance using three-dimensional Finite Element (FE) models of intact and implanted tibia. A total of 59 realistic FE models were developed: one intact tibia, two implanted tibiae with solid implants and 56 models featuring lattice tibial implants.</p><p><strong>Results: </strong>Results revealed that by incorporating a diamond lattice structure with 70% porosity on the proximal surface of the BOX tibial implant, stress shielding can be dealt with the appropriate initial fixation for promoting bone ingrowth. The results imply that tibia bone stresses and mean micromotion increase as porosity increases from 50% to 80%. BOX design offers reduced stress shielding, indicated by higher tibia bone stress distribution compared to the Infinity.</p><p><strong>Conclusion: </strong>The findings emphasise the need for careful porous feature selection for the design of lattice tibial implant for TAR.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147522377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Thomas J Policicchio, Austin T Gregg, Carla H Lehle, Robert K Wagner, Adam N Musick, Maaz Muhammad, Derek S Stenquist, Mitchel B Harris, David C Landy, Thuan V Ly, Arun Aneja
{"title":"Fracture-related infection following open forefoot fractures caused by dropped objects.","authors":"Thomas J Policicchio, Austin T Gregg, Carla H Lehle, Robert K Wagner, Adam N Musick, Maaz Muhammad, Derek S Stenquist, Mitchel B Harris, David C Landy, Thuan V Ly, Arun Aneja","doi":"10.1016/j.fas.2026.03.006","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.006","url":null,"abstract":"<p><strong>Introduction: </strong>This study evaluated the rate of fracture-related infection (FRI) of open forefoot fractures caused by dropped objects, and examined associations of treatment characteristics, including intravenous and oral antibiotics and operative debridement, with FRI.</p><p><strong>Methods: </strong>Patients aged 18-80 years who sustained an open metatarsal or phalanx fracture caused by a dropped object between January 2021 and June 2024 were retrospectively identified from two Level 1 trauma centers. The primary outcome was FRI, determined based on the FRI consensus criteria. FRI rates were compared between those who underwent irrigation and debridement (I&D) at bedside versus in the operating room, and between those who received oral versus intravenous (IV) antibiotics. Patient characteristics were also analyzed to determine host factors associated with FRI.</p><p><strong>Results: </strong>A total of 86 patients (median age 41 years [IQR: 29-56], 58% male) were included. Eighty-five patients (99%) received antibiotics, 31 (36%) of whom received intravenous antibiotics. Sixty-six patients (77%) received an I&D at presentation, 57 (66%) at bedside and 9 (10%) in the operating room. Thirteen patients (15%, 95% CI: 8.3%-24%) developed FRI. No significant difference in FRI rate was found between patients who underwent I&D at bedside versus in the operating room (12% versus 11%, p > 0.99). Among patients who did not undergo I&D in the operating room, no significant difference in FRI rate was found between patients who received oral versus IV antibiotics (17% versus 13%, p = 0.74). Insulin-dependent diabetes was associated with an increased risk of FRI (60% versus 12%, p = 0.02).</p><p><strong>Conclusions: </strong>In this cohort, one in seven patients developed FRI. No statistically significant differences in FRI rates were observed by I&D setting (bedside versus operative) or antibiotic route (oral versus IV), including in a subgroup analysis excluding patients treated with operating room I&D. These findings are limited by sample size and potential treatment selection bias and should not be interpreted as evidence of equivalence. Management should be individualized based on clinical judgement, resource availability, and patient factors. These findings can help guide the management protocols for \"dropped objects\" open forefoot fractures presenting to urgent care and the emergency department.</p><p><strong>Level of evidence: </strong>Therapeutic Level III.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147522392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Letter to the editor to comment on \"Prophylactic forefoot decompression prevents acute compartment syndrome of the foot following elective surgery in children\".","authors":"Xing Zheng, Manli Ge, Qifen Zhang","doi":"10.1016/j.fas.2026.01.016","DOIUrl":"https://doi.org/10.1016/j.fas.2026.01.016","url":null,"abstract":"","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147619242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Translation, validation, and test-retest reliability of the foot and Ankle Ability Measure (FAAM) scale in hindi-speaking population.","authors":"Vanshika Uppal, Sunita Sharma, Yashica Sharma","doi":"10.1016/j.fas.2026.03.005","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.005","url":null,"abstract":"<p><strong>Background: </strong>The foot and ankle ability measure (FAAM) scale is a patient-reported outcome measure used to assess lower extremity functional status in a variety of musculoskeletal disorders. It was first created in English (E-FAAM) to gauge its applicability across several languages, and other translations are accessible in different languages.</p><p><strong>Objectives: </strong>This study aimed to translate the English version of the FAAM into Hindi (H-FAAM), evaluate its content validity, conduct cross-cultural adaptation, and assess its test-retest reliability.</p><p><strong>Method: </strong>Following Beaton guidelines, the translation process involved forward and backward translations by two bilingual translators and a pain specialist, with approval from the original developers. Content validation was conducted using the Delphi method, involving 10 experts with over five years of experience. Cross-cultural adaptation was assessed with 30 outpatient participants who provided feedback on the clarity and relevance of the H-FAAM items. Test-retest reliability was evaluated using Cronbach's alpha and intraclass correlation coefficient (ICC) in 51 patients, with responses collected at two time points.</p><p><strong>Results: </strong>Of the 21 items in the H-FAAM, 19 achieved universal agreement (100% consensus), while two items received 80% agreement, indicating strong content validity overall. Cross-cultural adaptation was well-received, with 28 out of 30 patients providing positive feedback on the clarity and understanding of the scale. Test-retest reliability was excellent, with Cronbach's alpha and ICC values of 0.94 CONCLUSION: The Hindi version of the FAAM (H-FAAM) demonstrated excellent content validity and test-retest reliability, making it a reliable tool for assessing in native Hindi-speaking populations.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147475911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Blanca Diez Sánchez, Miranda Cristina Del Rosal Velasquez, Luis Palacios-Díaz, José Antonio García-Ramos García, Cristina García Córdoba
{"title":"Metatarsophalangeal arthrodesis of the hallux: A clinical comparison of fixation methods and a review of the literature.","authors":"Blanca Diez Sánchez, Miranda Cristina Del Rosal Velasquez, Luis Palacios-Díaz, José Antonio García-Ramos García, Cristina García Córdoba","doi":"10.1016/j.fas.2026.03.003","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.003","url":null,"abstract":"<p><strong>Background: </strong>First metatarsophalangeal joint arthrodesis (FMTPA) reliably treats severe hallux deformities. While fixation techniques differ biomechanically, there is no evidence that this influences clinical outcomes. This study compares clinical and radiologic results across three fixation methods.</p><p><strong>Methods: </strong>One hundred and ten FMTPA were performed, followed for a mean of 41 months (range, 12-156). Plate-and-screws were used in 74 feet, staples in 28 and crossed-screws in 8. Diagnoses included advanced hallux rigidus (72%), hallux valgus with severe deformity (19%) and rheumatoid foot with advanced osteoarthritis (9%). Clinical outcomes included transfer metatarsalgia, pain and functionality (assessed with the European Foot and Ankle Society (EFAS) score). Radiological analysis studied union rate and hallux alignment, assessed using the hallux valgus (HVA), intermetatarsal (IMA) and dorsiflexion angles (DFA) of the first metatarsophalangeal joint.</p><p><strong>Results: </strong>Twenty-five patients (23%) experienced pain in the operated hallux and 22 (20%) developed transfer metatarsalgia. Mean EFAS score was 29 ± 6, with no differences between techniques (p = 0.95). Eleven patients showed nonunion (10%), without differences (p = 0.46), but 3 patients needed revision surgery due to symptoms. Mean HVA was 10.4º ± 10º, with no differences between groups (p = 0.18) and mean IMA was 6º ± 3º, also with no significant differences (p = 0.38). At the end of follow-up, the mean DFA was 18° ± 11°, with a significant difference between groups (p = 0.03), indicating greater correction in hallux dorsiflexion in patients treated with plates and screws. Twelve patients (11%) required hardware removal, most of them in the plate group.</p><p><strong>Conclusions: </strong>FMTPA is an effective procedure without major clinical differences between fixation techniques. Plate-and-screws fixation allows for a more predictable alignment of the hallux and, even with a higher number of reoperations, presents comparable functional results.</p><p><strong>Level of clinical evidence: </strong>III; Retrospective Cohort Comparison.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147475872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Martin G Gregersen, Fredrik Nilsen, Mikaela Engarås Hamre, Marius Molund
{"title":"Weightbearing radiographs accurately predict deep deltoid ligament injury in Weber B ankle fractures - a minimally invasive arthroscopic evaluation.","authors":"Martin G Gregersen, Fredrik Nilsen, Mikaela Engarås Hamre, Marius Molund","doi":"10.1016/j.fas.2026.03.004","DOIUrl":"https://doi.org/10.1016/j.fas.2026.03.004","url":null,"abstract":"<p><strong>Background: </strong>Differentiating Weber B/SER4a from SER4b fractures relies on weightbearing radiographs and gravity stress tests, assumed to reflect deep posterior tibiotalar ligament (dPTTL) integrity. This study assessed their diagnostic accuracy for dPTTL injury, with arthroscopy as the reference standard.</p><p><strong>Methods: </strong>We prospectively assessed 20 Weber B/SER4a-b fractures with a medial clear space ≥ 5.0 mm. Arthroscopy under local anesthesia evaluated dPTTL integrity, defined as tensioning and medial joint space closure during dorsiflexion.</p><p><strong>Results: </strong>Radiographically, 15 fractures were classified as SER4a, and five as SER4b. Arthroscopy revealed intact dPTTL in 14 of 15 SER4a cases, while all SER4b cases had ruptures. Weightbearing radiographs showed 83.3% sensitivity and 100.0% specificity for detecting dPTTL injury; the gravity stress test had 100.0% sensitivity but 0.0% specificity.</p><p><strong>Conclusions: </strong>Stable weightbearing radiographs reliably indicate dPTTL integrity, while instability suggests dPTTL rupture.</p><p><strong>Level of evidence: </strong>Level II, Cross-sectional study.</p>","PeriodicalId":48743,"journal":{"name":"Foot and Ankle Surgery","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147460854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}